ADHD diagnoses and prescriptions have increased globally across all age groups, our review shows
August 7, 2026 (Conversation) Diagnoses for attention deficit hyperactivity disorder (ADHD) have increased in many countries across all age groups, our latest review has found. We have also shown that prescriptions for ADHD treatments have seen similar increases across all age groups. Our latest review, published in the Journal of Psychopharmacology, drew together the recently published research on ADHD diagnoses and prescriptions across the world. We found that in the UK, increases in recorded ADHD diagnoses and treatment prescriptions occurred across all age groups between 2000 and 2018. The greatest rise in ADHD diagnoses across this period was among children.